Home / 146,399.92-219,432.54-66,498.80

Finding the Fourth Proportional to 146,399.92, 219,432.54 and 66,498.80

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Solution

The fourth proportional to 146,399.92, 219,432.54 and 66,498.80 is: 99,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,399.92 : 219,432.54 = 66,498.80 : x
  2. Step 2: Convert to fraction form
    146,399.92/219,432.54 = 66,498.80/x
  3. Step 3: Cross multiply
    146,399.92x = 219,432.54 × 66,498.80
  4. Step 4: Simplify right side
    146,399.92x = 14,592,000,590.95
  5. Step 5: Solve for x
    x = 14,592,000,590.95/146,399.92
  6. Step 6: Final answer
    x = 99,672.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.